Pulsed wave Doppler ultrasonic flowmeter
脉冲波多普勒 超声 流量计
Compared with the traditional ultrasonic flowmeter the system has well stability precision and practicality .
与传统 时差 法 超声波 流量计相比，该系统稳定性好，测量精度较高，具有良好的实用价值和推广价值。
Error Analysis and Study on Transit-time Ultrasonic Flowmeter
时差法 超声波 流量计误差分析与研究
A Time Difference Ultrasonic Flowmeter Based On Enable-window Technology
基于使能窗技术的时差式 超声波 流量计
Doppler ultrasonic flowmeter application make one seat liquid and some gas flow Understand that its operation principle will contribute to ensuring its performance to optimize most .
多普勒 超声波 流量计 正在液体以及某些气体流量 测量应用方面取得一席之地，了解其工作原理将有助于保障其性能最优化。
Research on High-precision Time Measurement Technology in Ultrasonic Flowmeter
超声波 流量计中高精度时间测量技术研究
Design of Portable Ultrasonic Flowmeter Based On FPGA
基于FPGA的便携式 超声波 流量计设计
The paper introduces the measuing method and the application of the memory ultrasonic flowmeter and the direct-reading ultrasonic flowmete .
文章介绍了存储式和直读式两种 超声波 流量计的测试方法及其应用。
On - line Verification of Electromagnetic Flowmeter and Ultrasonic Flowmeter
电磁流量计和 超声 流量计在线验证
Study on Methods of Online Calibration for Ultrasonic flowmeter Apply to Liquid Flowmeter
超声 流量计用于液体流量仪表在线校准方法研究
Introduces the theory basis structure circuit principle working mode and characteristics of ultrasonic flowmeter we designed .
介绍了生产 测井 超声 流量计设计的理论基础以及 仪器结构、电路原理、工作方式和特点。
Multi-path diagonal-beam ultrasonic flowmeter
多声道斜束式 超声 流量计
Transmission time is a key factor to affect the accuracy of ultrasonic flowmeter .
在影响 超声波 流量计精度的因素中，时间 测量是关键。
The Research on Improving the Resolution of Ultrasonic flowmeter based on Microchip
基于单片机提高 超声波分辨力的 方法研究
This stationary ultrasonic flowmeter is simply clamped on to the existing pipeline .
这种固定式的 超声波 流量计可以方便地夹在已有管道的外侧。
This article points out that using the portable ultrasonic flowmeter can realize the large-caliber flowmeters on-line testing and calibration .
文章指出采用便携式 超声波 流量计可以实现在线大口径流量计的检测及校准，并介绍了检测步骤和检测时需要满足的条件。
Application of Ultrasonic Flowmeter in Energy Data Acquisition
超声波 流量计在能源数据采集上的应用
GPRS-based design of open channel ultrasonic flowmeter
基于GPRS的 超声波明渠 流量计的设计
This article describes the design of a high precision ultrasonic flowmeter .
文章报导了一种新型高精度 超声波 流量计的系统设计。
Hardware circuit of mainboard in ultrasonic flowmeter open channel is designed and the realization of scheme is also given .
对 超声波明渠 流量计主控板的硬件电路进行了设计，完成了电路原理图和电路板的制作。
Introduced are the structure measuring principle and speciality of the memory ultrasonic flowmeter .
介绍了存储 式 超声 流量计 的 仪器结构、测量原理和特点。
Time Difference Ultrasonic Flowmeter and Its Simple Arithmetic
一种时差 式 超声波 流量计及其简化算法
Experimental study on pump discharge measurement for large-scale and low-lift pumping station by using ultrasonic flowmeter
超声波 流量计测试大型低扬程泵站流量的模型试验
In this paper a gas ultrasonic flowmeter with transit-time difference measurement has been designed .
本文研制时差法气体 超声波 流量计，包括流量计硬件电子线路和软件设计。
Range-gated Doppler ultrasonic flowmeter
距离选通脉冲多普勒 超声波 流量计
Classification of ultrasonic flowmeter was expounded systematically .
系统阐述了 超声波 流量计的分类方法；
The method in this paper is used by the ultrasonic flowmeter and a very good effect has been obtained .
该方法已应用在 超声波 流量计中，收到了很好的效果。
The Application of CPLD Technique in Time Difference Method Ultrasonic Flowmeter
CPLD技术在时差法 超声波 流量计中的应用
超声波流量计